Most Popular Shows: Sci-Fi
| Rank | Show | Year Start/End | Overall Score |
|---|
| 1. | Merlin | 2008 - | |
| 2. | Supernatural | 2005 - | |
| 3. | Sanctuary | 2007 - | |
| 4. | The Vampire Diaries | 2009 - | |
| 5. | The River | 2012 - | |
| 6. | Lost | 2004 - 2010 | |
| 7. | Charmed | 1998 - 2006 | |
| 8. | Doctor Who | 2005 - | |
| 9. | Smallville | 2001 - 2011 | |
| 10. | The Walking Dead | 2010 - |
| 11. | Fringe | 2008 - | |
| 12. | Buffy the Vampire Slayer | 1997 - 2003 | |
| 13. | Dollhouse | 2009 - 2010 | |
| 14. | Heroes | 2006 - 2010 | |
| 15. | Firefly | 2002 - 2002 |
| 16. | Kyle XY | 2006 - 2009 | |
| 17. | Terra Nova | 2011 - | |
| 18. | True Blood | 2008 - | |
| 19. | The X-Files | 1993 - 2002 | |
| 20. | The Listener | 2009 - |
| 21. | Stargate SG-1 | 1997 - 2008 | |
| 22. | Grimm | 2011 - | |
| 23. | Battlestar Galactica | 2003 - 2010 | |
| 24. | Star Trek: The Next Generation | 1987 - 1994 | |
| 25. | Stargate Universe | 2009 - 2011 |
